CN214035633U - Iron scrap adsorption nipple joint for well logging - Google Patents
Iron scrap adsorption nipple joint for well logging Download PDFInfo
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- CN214035633U CN214035633U CN202022469009.0U CN202022469009U CN214035633U CN 214035633 U CN214035633 U CN 214035633U CN 202022469009 U CN202022469009 U CN 202022469009U CN 214035633 U CN214035633 U CN 214035633U
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- scrap
- iron
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- well logging
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Abstract
The utility model relates to an appurtenance is used in the well logging, in particular to iron fillings absorption nipple joint is used in well logging. Iron fillings adsorb nipple joint for well logging includes: the pipe nipple comprises a pipe nipple main body, a pipe nipple main body and a pipe nipple main body, wherein the pipe nipple main body is of a tubular structure, and two ends of the pipe nipple main body are provided with connecting joints for connecting to adjacent pipe column sections; the outer peripheral surface of the nipple main body is provided with a chip groove, a permanent magnet is arranged in the annular chip groove, and the permanent magnet is used for adsorbing scrap iron in the well; the scrap iron adsorption short section for well logging also comprises a protection spring, wherein the protection spring is a spiral spring, is sleeved at the chip groove and is coaxially arranged with the short section main body, and is used for preventing scrap iron adsorbed in the chip groove from falling off; and scrap feeding intervals are arranged between corresponding spring coils of the protection spring and used for scrap iron to enter the scrap containing grooves. Above-mentioned scheme has solved the problem that storage acoustic logging device is scratched by iron fillings easily in the prior art.
Description
Technical Field
The utility model relates to an appurtenance is used in the well logging, in particular to iron fillings absorption nipple joint is used in well logging.
Background
The underground acoustic logging device can be divided into two working modes of storage and direct reading, for the storage underground acoustic logging device working in the storage working mode, data storage can be firstly carried out underground in the logging process, and detection data can be read after an instrument is lifted, for example, a storage sound amplitude variable density logging instrument adopted in well cementation quality logging construction.
However, since the direct waves from the outer shell need to be eliminated when the downhole acoustic logging instrument is stored, the outer shell of the instrument is mainly hollow, the inner part of the instrument is protected by an acoustic capsule, the acoustic capsule is a capsule filled with silicone oil, and the inner part of the acoustic capsule can be immersed in the silicone oil in the capsule. When the acoustic logging tool is used, for horizontal wells and inclined wells, the acoustic logging tool is stored to be generally laid in a well, scrap iron is often contained in the well, the acoustic logging tool is easily scratched by the scrap iron in the moving process of the acoustic logging tool in the well, damage and slurry feeding of the acoustic capsule are caused, accessories and maintenance cost are increased, and the logging success rate is also influenced.
In order to reduce the risk, the completion degree of well washing work can be confirmed to be better only when the well cementation quality well logging construction is in butt joint with the previous matched work at present, but a greater risk that the acoustic wave capsule is scratched still exists because the gas testing operator cannot quantify the work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a iron fillings absorption nipple joint for well logging solves the problem that storage sound wave logging device in the pit was scratched by iron fillings easily among the prior art.
The utility model discloses in adopt following technical scheme:
iron fillings adsorb nipple joint for well logging includes:
the pipe nipple comprises a pipe nipple main body, a pipe nipple main body and a pipe nipple main body, wherein the pipe nipple main body is of a tubular structure, and two ends of the pipe nipple main body are provided with connecting joints for connecting to adjacent pipe column sections;
the outer peripheral surface of the nipple main body is provided with a chip groove, a permanent magnet is arranged in the chip groove, and the permanent magnet is used for adsorbing scrap iron in the well;
the scrap iron adsorption short section for well logging also comprises a protection spring, wherein the protection spring is a spiral spring, is sleeved at the chip groove and is coaxially arranged with the short section main body, and is used for preventing scrap iron adsorbed in the chip groove from falling off;
and scrap feeding intervals are formed between adjacent spring coils of the protection spring and used for scrap iron to enter the scrap containing grooves.
Has the advantages that: by adopting the technical scheme, the permanent magnet in the chip groove can adsorb iron chips near the travelling path of the iron chip adsorption short section for well logging into the chip groove, and meanwhile, the protection spring can not only allow the iron chips to enter the chip groove from the chip inlet interval, but also avoid the iron chips to accidentally fall off, so that the effect of clearing the iron chips on the travelling path is ensured, and the problem that the underground storage acoustic logging device is easily scratched by the iron chips in the prior art is solved.
As a preferred technical scheme: and the short section main body is provided with an annular groove, and the annular groove forms the chip groove.
Has the advantages that: by adopting the technical scheme, the processing can be conveniently carried out, and the space of the chip groove can be ensured.
As a preferred technical scheme: the axial two ends of the protection spring are positioned in the annular groove.
Has the advantages that: adopt above-mentioned technical scheme compact structure, be convenient for protection spring's location and installation.
As a preferred technical scheme: the short section main body comprises two short sections which are connected with each other, and the connection position of the short sections is located in the chip groove.
Has the advantages that: adopt above-mentioned technical scheme be convenient for protection spring's installation and dismantlement, also be convenient for unpack apart the nipple joint main part in order to clear up absorbent iron fillings.
As a preferred technical scheme: the outer diameter of the protection spring is not larger than that of the short section main body.
Has the advantages that: adopt above-mentioned technical scheme can avoid causing the interference to advancing of iron fillings absorption nipple joint for the well logging, also can play better effect of blockking to iron fillings.
As a preferred technical scheme: the end face of the protective spring is pressed against the groove side wall of the chip groove.
Has the advantages that: by adopting the technical scheme, the positioning of the protection spring can be conveniently realized, and the stability is good.
As a preferred technical scheme: the permanent magnets are arranged at intervals along the axial direction of the short section main body.
Has the advantages that: by adopting the technical scheme, a larger chip containing space can be provided.
As a preferred technical scheme: and the permanent magnet is adhered and fixed on the bottom wall of the flute.
Has the advantages that: by adopting the technical scheme, the permanent magnet is convenient to assemble.
As a preferred technical scheme: the permanent magnet is fixed on the bottom wall of the chip pocket through a screw.
Has the advantages that: by adopting the technical scheme, the fixing reliability of the permanent magnet can be improved.
For the subject to be protected by the present patent, each preferred technical solution under the same subject may be adopted alone, and when the preferred technical solutions under the same subject can be combined, two or more preferred technical solutions under the same subject may be arbitrarily combined, and the technical solutions formed by the combination are not specifically described here, and are included in the description of the present patent in this form.
Drawings
FIG. 1 is a schematic structural diagram of a scrap iron adsorption nipple for logging in FIG. 1;
FIG. 2 is a schematic structural view of the stub body of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
the names of the components corresponding to the corresponding reference numerals in the drawings are: 10-nipple main body, 11-chip groove, 20-permanent magnet and 30-protective spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as the terms first and second, and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises an … …" is intended to indicate that there are additional elements of the same process, method, article, or apparatus that comprise the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses well is embodiment 1 of iron fillings absorption nipple joint for well logging:
as shown in fig. 1, the iron scrap adsorption nipple for well logging comprises a nipple main body 10, a permanent magnet 20 and a protection spring 30.
As shown in fig. 2 and 3, the nipple main body 10 is a tubular structure, and includes two short sections connected with each other, and the short sections at two ends are connected by screw threads. The nipple body 10 is provided with connection joints at both ends for connection to adjacent pipe string sections. When the storage underground acoustic logging instrument is used, the nipple main body 10 is connected in front of the storage underground acoustic logging instrument, and the storage underground acoustic logging instrument is connected with the pipe column and is put into a well before the storage underground acoustic logging instrument. The peripheral face of nipple joint main part 10 is equipped with the ring channel on, and the wall thickness of ring channel department is thinner, and the external diameter is less than the external diameter of adjacent part, forms the thinner position of wall thickness on nipple joint main part 10, as chip groove 11 during the use for hold the iron fillings of collecting into. The junction of the two short segments of the sub body 10 is located in the chip pocket 11.
The permanent magnets 20 are bonded and fixed to the groove bottom wall of the chip pocket 11, that is, the outer peripheral surface of the portion with a thinner wall thickness, and are arranged at intervals in the axial direction and the circumferential direction of the sub body 10.
The protection spring 30 is a spiral spring, is sleeved at the chip groove 11 and is integrally positioned in the annular groove and coaxially arranged with the nipple main body 10, and is used for avoiding iron chips adsorbed in the chip groove 11 from falling off. Meanwhile, a scrap inlet interval is formed between adjacent spring coils of the protection spring 30, and scrap iron enters the scrap accommodating groove 11 at the scrap inlet interval. In order to avoid the interference with the structure in the well, the outer diameter of the protection spring 30 is not larger than the outer diameter of the nipple main body 10, the protection spring is integrally located in the annular groove, and the end face of the protection spring 30 is pressed on the groove side wall of the chip groove 11 and is welded and fixed with the nipple main body 10. When assembling the protection spring 30, the two short segments connected to each other may be separated from each other such that the portions of the short segments corresponding to the annular grooves are inserted into the protection spring 30.
During the use, before setting up the acoustic logging instrument in storage pit with iron fillings absorption nipple joint for the logging, carry out the time measuring in the pit, acoustic logging instrument in the storage pit and for the logging iron fillings absorption nipple joint go into the well through the tubular column down, the acoustic logging instrument goes into the well in storage pit with iron fillings absorption nipple joint earlier than for the logging, iron fillings in to the well adsorb, make in iron fillings get into chip groove 11, for acoustic logging instrument in the storage pit sweeps the obstacle, avoid the acoustic capsule on the acoustic logging instrument in the storage pit to be scratched by iron fillings. After the pipe column is pulled out, the scrap iron in the scrap groove 11 can be erased by using cloth strips.
The utility model discloses well is embodiment 2 of iron fillings absorption nipple joint for well logging:
the difference between this embodiment and embodiment 1 is that in embodiment 1, a permanent magnet 20 is bonded to the nipple main body 10, whereas in this embodiment, a fixing hole is formed in the permanent magnet 20, a threaded hole is formed in the bottom wall of the chip pocket 11, and the permanent magnet 20 is fixed to the bottom wall of the chip pocket 11 by a screw.
The utility model discloses well is embodiment 3 of iron fillings absorption nipple joint for well logging:
the difference between this embodiment and embodiment 1 is that, in embodiment 1, the whole protection spring 30 is located in the annular groove on the nipple main body 10, and in this embodiment, both ends of the protection spring 30 are sleeved on the outer peripheral surface of the nipple main body 10.
Of course, in other embodiments, three or more arc-shaped grooves may be provided on the outer circumferential surface of the sub body 10. In addition, in this case, in order to avoid that the protection spring 30 is higher than the outer peripheral surface of the sub body 10, the portion between two adjacent arc-shaped grooves may be thinner, so that the outer diameter of the protection spring 30 is not greater than the outer diameter of the sub body 10. In addition, in other embodiments, the protection spring 30 may be only embedded in the annular groove, and no additional fixation with the nipple body 10 is required.
The above description is only a preferred embodiment of the present application, and not intended to limit the present application, the scope of the present application is defined by the appended claims, and all changes in equivalent structure made by using the contents of the specification and the drawings of the present application should be considered as being included in the scope of the present application.
Claims (9)
1. Iron fillings adsorb nipple joint for well logging, its characterized in that includes:
the pipe nipple comprises a pipe nipple main body (10), wherein the pipe nipple main body (10) is of a tubular structure, and two ends of the pipe nipple main body are provided with connecting joints for connecting to adjacent pipe column sections;
the outer peripheral surface of the short section main body (10) is provided with a chip groove (11), a permanent magnet (20) is arranged in the chip groove (11), and the permanent magnet (20) is used for adsorbing scrap iron in a well;
the scrap iron adsorption short section for well logging further comprises a protection spring (30), wherein the protection spring (30) is a spiral spring, is sleeved at the chip groove (11) and is coaxially arranged with the short section main body (10) and used for preventing scrap iron adsorbed in the chip groove (11) from falling off;
and scrap feeding intervals are formed between adjacent spring coils of the protection spring (30), and scrap feeding intervals are used for feeding scrap into the scrap containing grooves (11).
2. The iron scrap adsorption nipple for well logging according to claim 1, characterized in that an annular groove is formed on the nipple body (10), and the annular groove forms the chip groove (11).
3. The iron scrap adsorption nipple for well logging according to claim 2, wherein the two axial ends of the protection spring (30) are located in the annular groove.
4. A iron scrap adsorption nipple for well logging according to claim 2 or 3, characterized in that the nipple body (10) comprises two short segments connected to each other, the connection of the short segments being located in the chip pocket (11).
5. A iron scrap adsorption nipple for well logging according to claim 2 or 3, characterized in that the outer diameter of the protection spring (30) is not greater than the outer diameter of the nipple body (10).
6. A short piece of iron filings absorption for well logging according to claim 2 or 3, characterized in that the end face of the protection spring (30) is pressed against the groove side wall of the chip groove (11).
7. A logging iron filings suction sub according to any of claims 1 to 3, characterized in that said permanent magnets (20) are arranged at intervals along the axial direction of the sub body (10).
8. A scrap iron adsorption nipple for well logging according to any one of claims 1 to 3, characterized in that the permanent magnet (20) is adhesively fixed to the bottom wall of the chip pocket (11).
9. The iron scrap adsorption nipple for well logging according to any one of claims 1 to 3, wherein a threaded hole is formed in the bottom wall of the chip pocket (11), and the permanent magnet (20) is fixed on the bottom wall of the chip pocket (11) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022469009.0U CN214035633U (en) | 2020-10-30 | 2020-10-30 | Iron scrap adsorption nipple joint for well logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022469009.0U CN214035633U (en) | 2020-10-30 | 2020-10-30 | Iron scrap adsorption nipple joint for well logging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214035633U true CN214035633U (en) | 2021-08-24 |
Family
ID=77355385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022469009.0U Active CN214035633U (en) | 2020-10-30 | 2020-10-30 | Iron scrap adsorption nipple joint for well logging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214035633U (en) |
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2020
- 2020-10-30 CN CN202022469009.0U patent/CN214035633U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220223 Address after: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: SINOPEC NORTH CHINA PETROLEUM ENGINEERING Co.,Ltd. Patentee after: North China Measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: 100728 12th floor, A6 Huixin East Street, Chaoyang District, Beijing Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: Sinopec North China Petroleum Engineering Co., Ltd |